There is hereby established within the city an energy conservation
program to be known as the green building program. The green building
program sets forth the minimum standards for energy efficiency, water
conservation, indoor air quality and waste recycling for all single-family
residential buildings platted after November 30, 2001 (minimum standards).
(Ordinance 720-02 adopted 3/4/02)
The minimum standard for energy efficiency of single-family
residential structures shall be the Environmental Protection Agency’s
Energy Star designation as it currently stands or may be amended.
(Ordinance 720-02 adopted 3/4/02)
(a) Provide
a drought tolerant landscaping option for homebuyers (turf and plants).
(b) Provide
information in models concerning the benefits of xeriscaping and water
conservation practices.
(c) If
bedding areas are installed, they must be mulched (recycled-content
mulch or compost).
(d) If
an irrigation system is installed, it must include a rain and freeze
sensor, installed to manufacturer’s specifications.
(e) If
an irrigation system is installed, it must be a zoned irrigation system.
(Ordinance 720-02 adopted 3/4/02)
(a) Mechanical
room walls exposed to living area insulated to R-11.
(b) Provide
range hood vented to outside.
(c) Unvented
fireplaces and gas logs having a fan that blows any portion of the
combustion gases into living spaces are not allowed.
(d) One
carbon monoxide (CO) detector, hardwired, shall be installed per 1,000
square feet of living space (minimum of one per floor) in all houses
where an attached garage or any combustion appliance is used.
(e) All
joints in the air distribution system shall be sealed with duct mastic
or approved equivalent.
(f) Total
duct leakage measured in CFI at 25 Pascal’s pressure, shall
be less than or equal to 5% of the square footage served by each unit
or equal to or less than 10% of the fan flow at high speed for each
system installed.
(g) Airflow
to each room will match designed airflow calculations to within +/-
10%.
(h) Exterior
ventilation system installed per ASHRAE standards must perform at:
kitchen - 100 CFM; bathroom - 20 CFM (continuous) or 50 CFM (spot);
master bedroom - 20 CFM; other bedrooms -10 CFM.
(i) Provide
a furnace and/or duct-mounted electronic/electrostatic air cleaner
option for homebuyers.
(j) If
central vacuum system is installed, it must exhaust to the outside.
(k) HVAC
plenums on the supply side must be constructed of sheet metal (no
duct board) with external insulation (minimum R-6 if located in unconditioned
space).
(Ordinance 720-02 adopted 3/4/02)
(a) Construction
waste (brick and wood) hauled from the building site by the builder
shall be taken to a site or facility legally empowered to accept it
for recycling as approved by the county and state in which the facility
is located.
(b) Construction
waste reduction/reuse plan written and followed by builder.
(c) Donate
unwanted building materials to a nonprofit building organization.
(d) Provide
a built-in recycling center option with two or more bins (minimum
of 5 gallons each) for homebuyers.
(e) Provide
a composting system option installed in yard for homebuyer (manufactured
or made at site).
(Ordinance 720-02 adopted 3/4/02)